Class: Fretboard::Note

Inherits:
Object
  • Object
show all
Defined in:
lib/fretboard/note.rb

Class Method Summary collapse

Class Method Details

.next_for(note, sharp_or_flat: :both) ⇒ Object

Raises:



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# File 'lib/fretboard/note.rb', line 5

def self.next_for(note, sharp_or_flat: :both)
  all_notes = Fretboard::Notes.all(sharp_or_flat)

  note = Fretboard::NoteFormatter.format(note, sharp_or_flat:)

  current_index = all_notes.find_index(note)
  raise Fretboard::Exceptions::UnknownNote, note if current_index.nil?

  next_index = current_index + 1

  next_note = all_notes[next_index]
  next_note = all_notes.first if next_note.nil?

  next_note
end